Tiptimaphan, Keerati, Sirichan Chiaraputt, and Apirat Ritthiti. 2023. “Effects of coffee immersion on translucency of high-strength flowable composites under simulated toothbrushing condition: an in vitro study”. Mahidol Dental Journal 43 (suppl). Bangkok, Thailand:S89-S96. https://he02.tci-thaijo.org/index.php/mdentjournal/article/view/264763.